Humeral stem



FIG. 1 is a plain front view thereof the humeral stem showing my new design.

FIG. 2 is a plain inner side view thereof the humeral stem showing my new design.

FIG. 3 is a plain outer side view thereof.

FIG. 4 is a plain top view thereof the humeral stem showing my new design.

FIG. 5 is a perspective front view thereof.

FIG. 6 is a perspective inner side view thereof.

FIG. 7 is perspective outer side view thereof.

FIG. 8 is perspective bottom view thereof; and,

FIG. 9 is perspective top view thereof.

The broke line showing the environment in the figures are for illustrative purposes only and form no part of the claimed design. 

CLAIM We claim the ornamental design of a humeral stem, as shown and described. 